MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external PDFs hosted on various domains, with one heuristic specifically identifying it as a link farm on disposable hosting. While no scripts were extracted, the structure and heuristic firings suggest this PDF acts as a lure, directing users to other malicious documents, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://veterinariacasettamattei.it/userfiles/files/videfixuwovixegi.pdf In PDF document text
- http://phuclocvienjsc.com/uploads/image/files/rerukizega.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210901_092787A51B494C99.pdfIn PDF document text
- https://espritgt.com/userfiles/file/zipemolutudagiwotekafusiw.pdfIn PDF document text
- https://cauthinh.com/luutru/files/fupabufemilovurijetixuwa.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/67223159404.pdfIn PDF document text
- http://gestioniarmatoriali.it/gesogavamon.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/42837746289.pdfIn PDF document text
- https://rosettes.it/userfiles/file/pipuverikunubakuvaxi.pdfIn PDF document text
- http://lamekatus.com/uploads/ckeditor/files/zidujoverojisesama.pdfIn PDF document text
- https://skillmapmagazine.com/ckfinder/userfiles/files/82734598433.pdfIn PDF document text
- https://073741256.com/uploads/files/202109020519156084.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/17507670841.pdfIn PDF document text
- http://kingswaytyres.com/project/kingsway/uploads/file/misokatiperofikamakotuzi.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/42ee2fb1a31edd981dda070c4b716123/10054710367.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16132f3d57fb16---99769998371.pdfIn PDF document text
- https://kawanmto.org/contents/files/venewinagoraxudamo.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/nuloguxitoxosu.pdfIn PDF document text
- https://areicon.com/images/file/31631043542.pdfIn PDF document text
- http://gespk.com/userfiles/file/46852631076.pdfIn PDF document text
- http://donovaly-ubytovanie-safran.sk/web/userfiles/file/reluwuwifalip.pdfIn PDF document text
- http://huntland.hu/upload/file/54264285613.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/zujazogezumugam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=miscrits+world+of+creatures+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ba89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA89 | 10780 bytes |
SHA-256: 2ae22cfaa276038767b7e33a88581833410a57e23bd89a0b54023a60a53befa1 |
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font_01_sfnt_off0000d398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD398 | 16212 bytes |
SHA-256: f1b9f4b1e307b93e40d702c5eee28fdf9d366f71a2f21bd984bebf2dd1d3d800 |
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font_02_sfnt_off0000fd78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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